• IPA: /ˈɹiː.flʌks/


  1. The backwards flow of any fluid.
    • 1719- Daniel Defoe, Robinson Crusoe
      […] after a little way out to sea, there was a current and wind, always one way in the morning, the other in the afternoon. This I understood to be no more than the sets of the tide, as going out or coming in; but I afterwards understood it was occasioned by the great draft and reflux of the mighty river Orinoco […]
  2. (chemistry) A technique, using a reflux condenser, allowing one to boil the contents of a vessel over an extended period.
  3. (pathology) The leaking of stomach acid up into the oesophagus.
Translations Translations
  • French: reflux
  • German: Rückfluss

reflux (refluxes, present participle refluxing; past and past participle refluxed)

  1. To flow back or return.
    the refluxing tide
  2. To boil a liquid in a vessel having a reflux condenser

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